408075320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1723}}^1$

素因数の和:1956

約数の個数: 64

約数和(自身を含む): 953303040

約数和(自身を除く): 545227720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 248, 310, 382, 620, 764, 955, 1240, 1528, 1723, 1910, 3446, 3820, 5921, 6892, 7640, 8615, 11842, 13784, 17230, 23684, 29605, 34460, 47368, 53413, 59210, 68920, 106826, 118420, 213652, 236840, 267065, 329093, 427304, 534130, 658186, 1068260, 1316372, 1645465, 2136520, 2632744, 3290930, 6581860, 10201883, 13163720, 20403766, 40807532, 51009415, 81615064, 102018830, 204037660, 408075320]

約数ペア:

[(1, 408075320), (2, 204037660), (4, 102018830), (5, 81615064), (8, 51009415), (10, 40807532), (20, 20403766), (31, 13163720), (40, 10201883), (62, 6581860), (124, 3290930), (155, 2632744), (191, 2136520), (248, 1645465), (310, 1316372), (382, 1068260), (620, 658186), (764, 534130), (955, 427304), (1240, 329093), (1528, 267065), (1723, 236840), (1910, 213652), (3446, 118420), (3820, 106826), (5921, 68920), (6892, 59210), (7640, 53413), (8615, 47368), (11842, 34460), (13784, 29605), (17230, 23684)]